#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
int main()
{
	int a, b, c;
	scanf("%d %d", &a, &b);

	if (a % b == 0)
		c = a / b;
	else
		c = a / b + 1;

	printf("%d", c);
	return 0;
}